Lead AI Engineer (FM Hosting, LLM Inference)
$197.3k - $225.1kCapital One
Lead AI Engineer (FM Hosting, LLM Inference) Overview At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent — along with our deep experience in machine learning — position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges to answering their questions in real time, our applications of AI & ML are bringing humanity and simplicity to banking. We are committed to continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses who have come to love the products and services we build. Team Description The Intelligent Foundations and Experiences (IFX) team is at the center of bringing our vision for AI at Capital One to life. We work hand-in-hand with our partners across the company to advance the state of the art in science and AI engineering, and we build and deploy proprietary solutions that are central to our business and deliver value to millions of customers. Our AI models and platforms empower teams across Capital One to enhance their products with the transformative power of AI, in responsible and scalable ways for the highest leverage impact. Responsibilities Partner with a cross-functional team of engineers, research scientists, technical program managers, and product managers to deliver AI-powered products that change how our associates work and how our customers interact with Capital One. Design, develop, test, deploy, and support AI software components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc. Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more. Invent and introduce state-of-the-art LLM optimization techniques to improve the performance — scalability, cost, latency, throughput — of large scale production AI systems. Contribute to the technical vision and the long term roadmap of foundational AI systems at Capital One. Ideal Candidate You love to build systems, take pride in the quality of your work, and also share our passion to do the right thing. You want to work on problems that will help change banking for good. Passion for staying abreast of the latest research, and an ability to intuitively understand scientific publications and judiciously apply novel techniques in production. You adapt quickly and thrive on bringing clarity to big, undefined problems. You love asking questions and digging deep to uncover the root of problems and can articulate your findings concisely with clarity. You have the courage to share new ideas even when they are unproven. You are deeply Technical. You possess a strong foundation in engineering and mathematics, and your expertise in hardware, software, and AI enable you to see and exploit optimization opportunities that others miss. You are a resilient trail blazer who can forge new paths to achieve business goals when the route is unknown. Basic Qualifications Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 4 years of experience developing AI and ML algorithms or technologies, or a Master's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 2 years of experience developing AI and ML algorithms or technologies At least 4 years of experience programming with Python, Go, Scala, or Java Preferred Qualifications 6 years of experience deploying scalable and responsible AI solutions on cloud platforms (e.g. AWS, Google Cloud, Azure, or equivalent private cloud) Experience designing, developing, delivering, and supporting AI services Experience developing AI and ML algorithms or technologies (e.g. LLM Inference, Similarity Search and VectorDBs, Guardrails, Memory) using Python, C++, C#, Java, or Golang Experience developing and applying state-of-the-art techniques for optimizing training and inference software to improve hardware utilization, latency, throughput, and cost Passion for staying abreast of the latest AI research and AI systems, and judiciously apply novel techniques in production Capital One will consider sponsoring a new qualified applicant for employment authorization for this position. The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked. Cambridge, MA: $197,300 - $225,100 for Lead AI Engineer McLean, VA: $197,300 - $225,100 for Lead AI Engineer New York, NY: $215,200 - $245,600 for Lead AI Engineer San Jose, CA: $215,200 - $245,600 for Lead AI Engineer Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate’s offer letter. This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan. Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at the Capital One Careers website ( . Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level. This role is expected to accept applications for a minimum of 5 business days. No agencies please. Capital One is an equal opportunity employer (EOE, including disability/vet) committed to non-discrimination in compliance with applicable federal, state, and local laws. Capital One promotes a drug-free workplace. Capital One will consider for employment qualified applicants with a criminal history in a manner consistent with the requirements of applicable laws regarding criminal background inquiries, including, to the extent applicable, Article 23-A of the New York Correction Law; San Francisco, California Police Code Article 49, Sections 4901-4920; New York City’s Fair Chance Act; Philadelphia’s Fair Criminal Records Screening Act; and other applicable federal, state, and local laws and regulations regarding criminal background inquiries. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation, please contact Capital One Recruiting at View phone number on click.appcast.io or via email at View email address on click.appcast.io . All information you provide will be kept confidential and will be used only to the extent required to provide needed reasonable accommodations. For technical support or questions about Capital One's recruiting process, please send an email to View email address on click.appcast.io Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site. Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC). #J-18808-Ljbffr Capital One
$229.9k - $262.4k
...Sr. Lead AI Engineer (Inference Optimization, FM hosting, AI Platform) At Capital One, we are creating responsible and reliable AI systems, changing banking for... ..., and more. Invent and introduce state‑of‑the‑art LLM optimization techniques to improve the performance —...SuggestedFull timePart timeLocal area$193.4k - $220.7k
Lead AI Engineer (AI Foundations, LLM Core and Agentic AI) Overview At Capital One, we are creating responsible and reliable AI systems, changing banking... ...foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation...SuggestedFull timePart timeLocal area- A leading financial services company is seeking a Lead AI Engineer in Cambridge, MA, to drive the development of AI-related products. The ideal candidate will collaborate with cross-functional teams, design and optimize AI systems, and contribute to innovative projects...Suggested
$229.9k - $262.4k
...Overview Senior Lead AI Engineer (LLM Customization and Finetuning) Overview: At Capital One, we are creating responsible and reliable... ...including foundation model training, large language model inference, similarity search, guardrails, model evaluation,...SuggestedFull timePart timeLocal area$197.3k - $225.1k
...responsible and reliable AI systems, changing... ...class applied science and engineering teams to deliver breakthrough... ..., large language model inference, similarity search,... ...state‑of‑the‑art LLM optimization techniques... ...197,300 - $225,100 for Lead AI Engineer McLean, VA...SuggestedLocal area$150k - $180k
...a new team focused on accelerating AI adoption and usage, the AI Engineer will design and deploy AI-powered automation... ...pipelines, orchestration, and model inference layers Participate in technical... ..., with 2+ years of building LLM systems in production. Preferred Requirements...Work at officeRemote workRelocation2 days per week- A leading financial institution in Cambridge, MA is seeking a Lead AI Engineer. This role focuses on delivering AI-powered products, developing AI software components, and leveraging cutting-edge AI technologies. Candidates should have a strong background in programming...
$197.3k - $225.1k
A leading financial services company in Cambridge is seeking a Lead AI Engineer to design and develop AI-powered products. You will collaborate with various teams to leverage emerging AI technologies and optimize scalable solutions. Ideal candidates will have a bachelor...$197.3k - $225.1k
Capital One is seeking a Lead AI Engineer in Cambridge, MA to drive the development of innovative AI systems. You will collaborate with engineers and product managers to deliver transformative AI solutions. The ideal candidate has extensive experience in AI/ML with a solid...$216k - $324k
...own their own destiny. Job Title: Sr. Lead AI Engineer Location: Boston, MA This role is based... .... Lead the development of services that host and orchestrate AI models (LLMs, tools,... ...generative or agentic AI applications (e.g., LLM‑backed flows, tool‑using agents,...Local area$197.3k - $225.1k
...responsible and reliable AI systems, changing banking... ...class applied science and engineering teams to deliver our industry leading capabilities with... ...training, large language model inference, similarity search, guardrails... ...state‑of‑the‑art LLM optimization techniques to...Full timePart timeLocal area- Capital One is seeking a Sr. Lead AI Engineer in Cambridge, MA to develop and optimize AI solutions that transform banking. This role involves collaborating with cross-functional teams to deliver AI products and contributing to the technical vision of foundational AI systems...
$130k - $190k
...analytics ecosystem by embedding AI and Generative AI... ...Administrative systems. As the AI Lead Engineer - AWS Platform, you will play... ...architectural standards for LLM orchestration, RAG pipelines,... ...JumpStart, EKS, or Docker‑based inference endpoints. Responsible AI, Governance...Temporary workWork at officeRemote workHome officeFlexible hours- Elios AI in Boston is seeking a production software engineer with 5+ years of experience in hands-on LLM work. You will ship LLM-powered features, including RAG pipelines and agent workflows, with strong emphasis on observability, latency, and cost management. You will...Full time
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...are a bootstrapped AI company building a... ...research and intelligence engine for the public-... ...a next-generation, LLM-agnostic system... ...evolve into a full-time lead engineer role after... ...for: Token and inference cost control Provider... ...Advise on local vs hosted inference strategy...Hourly payFull timePart timeLocal area10 hours per week- ...-edge industrial software company in Boston seeks experienced engineers to revolutionize the factory floor with AI. The role includes ownership of AI technologies, building LLM-powered solutions, and leading a team. Candidates should have extensive experience in software...
$180k - $230k
...agencies with cutting-edge AI/ML and data solutions.... ...enables operators and engineers to rapidly build,... ...looking for an experienced Lead AI/ML Software Engineer... ...on model integration, inference optimization, and the operational... ...tool-use patterns, and LLM integration in...Live inRemote work$190k - $225k
...: The Principal AIOps Engineer will build the platform that makes AI cheap, fast, safe, and observable... ..., eval frameworks, self-hosted model serving, and the... ...pipeline so no agent or LLM-powered service ships... ...Stand up self-hosted inference for workloads where managed...Contract work$150k - $180k
A leading software company is seeking an AI Engineer to design and deploy AI-powered automation and intelligent agents. This remote eligible position requires expertise in building LLM systems. Responsibilities include working with data teams to automate workflows and...Remote work$269.1k - $307.2k
Distinguished AI Engineer (Agentic AI Platform) At Capital One, we are... ...to deliver our industry‑leading capabilities with breakthrough... ...SLAs. Coach and evangelize by hosting architecture office hours,... ...or technologies (e.g., LLM inference, similarity search and vector...Full timePart timeWork at officeLocal area$170k - $222.6k
...AI Systems Engineer Job ID: 2026-11339 — Location: US-MA-Boston — Type: Regular... ...roles, access to market‑leading medical, emotional and mental... ...scale AI, and the agentic and LLM‑driven capabilities... ...enterprise AI agents Optimize inference pipelines for cost, performance...Full timeTemporary workWork at office$127k - $167k
...AI Engineer We are seeking an AI engineer to join our Managed Services team. You will design... ...—including agentic applications, LLM inference, similarity search, guardrails, and model... ...testing, CI/CD, and operational workflows. Lead proofs‑of‑concept, prototypes, and...Temporary work- Distinguished AI Engineer Overview At Capital One, we are creating responsible... ...to deliver our industry leading capabilities with... ...training, large language model inference, similarity search, guardrails... ...and introduce state‑of‑the‑art LLM optimization techniques to improve...Full timePart timeLocal area
$193.4k - $220.7k
A leading financial services company is seeking a Lead AI Engineer in Cambridge to develop and support innovative AI systems. The ideal candidate will have significant experience in AI development and strong programming skills in languages such as Python. This role involves...- A leading financial services firm is seeking a Sr. Lead AI Engineer in Cambridge, MA. You will develop AI-powered products, collaborate with engineers and scientists, and innovate AI techniques for better banking experiences. Candidates should have a strong foundation in...
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